Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:07:18 2012

Optimize a model with 427 rows, 417 columns and 1482 nonzeros
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 427 rows, 388 columns, 1453 nonzeros
Variable types: 0 continuous, 388 integer (387 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 266 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0  162   70.00000    0.00000   100%     -    0s
H    0     0                      67.0000000    0.00000   100%     -    0s
H    0     0                      60.0000000    0.00000   100%     -    0s
H    0     0                      52.0000000    0.00000   100%     -    0s
     0     0    0.30721    0  164   52.00000    0.30721  99.4%     -    0s
H    0     0                      43.0000000    0.30721  99.3%     -    0s
     0     0    0.80399    0  166   43.00000    0.80399  98.1%     -    0s
H    0     0                      30.0000000    0.80399  97.3%     -    0s
     0     0    0.80518    0  169   30.00000    0.80518  97.3%     -    0s
     0     0    0.80518    0  166   30.00000    0.80518  97.3%     -    0s
     0     2    0.82075    0  166   30.00000    0.82075  97.3%     -    0s
H   27    27                      14.0000000    1.00000  92.9%  31.7    0s
*   44    20              27      13.0000000    1.00000  92.3%  31.7    0s
*   64    24              12      12.0000000    2.01903  83.2%  34.0    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 217 nodes (8211 simplex iterations) in 0.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%